T89C5115-SISIM Atmel, T89C5115-SISIM Datasheet - Page 74
T89C5115-SISIM
Manufacturer Part Number
T89C5115-SISIM
Description
IC 8051 MCU FLASH 16K 28PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.T89C5115-RATIM.pdf
(113 pages)
Specifications of T89C5115-SISIM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
20
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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PCA Interrupt
Figure 33. PCA Interrupt System
PCA Capture Mode
Figure 34. PCA Capture Mode
74
AT89C5115
CEXn
n = 0, 1
PCA Timer/Counter
Module 0
Module 1
CMOD.0
ECF
To use one of the PCA modules in capture mode either one or both of the CCAPM bits
CAPN and CAPP for that module must be set. The external CEX input for the module
(on port 1) is sampled for a transition. When a valid transition occurs the PCA hardware
loads the value of the PCA counter registers (CH and CL) into the module’s capture reg-
isters (CCAPnL and CCAPnH). If the CCFn bit for the module in the CCON SFR and the
ECCFn bit in the CCAPMn SFR are set then an interrupt will be generated.
7
-
CF
0CAPPnCAPNn000ECCFn
CCAPMn.0
ECCFn
CCAPMn Register (n = 0, 1)
CR
IEN0.6
CCON Reg
EC
CCFn
IEN0.7
EA
CCF1 CCF0
CCAPnH CCAPnL
(8-bits)
PCA Counter
CH
0
(8-bits)
CCON
0xD8
To Interrupt
CL
PCA
Interrupt
Request
4128G–8051–02/08
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